Lady and the Tramp has been sold: http://offer.ebay.com/ws/eBayISAPI.dll?ViewBids&_trksid=p2047675.l2565&rt=nc&item=290934599511" target="_blank" title="offer.ebay.com/ws/eBayISAPI.dll?ViewBids&_trksid=p2047675.l2565&rt=nc&item=290934599511http://offer.ebay.com/ws/eBayISAPI.dll?ViewBids&_trksid=p2047675.l2565&rt=nc&item=290934599511">http://offer.ebay.com/ws/eBayISAPI.dll?ViewBids&_trksid=p2047675.l2565&rt=nc&item=290934599511http://offer.ebay.com/ws/eBayISAPI.dll?ViewBids&_trksid=p2047675.l2565&rt=nc&item=290934599511
Also found these:
Dumbo, 16mm from the UK: http://www.ebay.co.uk/itm/Dumbo-1941-16mm-Disney-Feature-2200-Spool-Colour-Optical-Sound-/330942611050?pt=UK_Films_Film_Stock&hash=item4d0db77e6a
Fantasia, 35mm Eastman stock of the 1982 re-issue: http://www.ebay.com/itm/FANTASIA-1982-reissue-35mm-feature-Disney-with-Magnetic-soundtrack-/400516832977?pt=US_Film&hash=item5d40a9ded1